feat: centralize hyprland config, resolve wayland deadkey issues for linux, and update installer/docs

.config/fish/config.fish

@@ -1,6 +1,8 @@
 # ~/.config/fish/config.fish
 # Startup commands only
-neofetch
+if status is-interactive
+    neofetch
+end
 
 if type -q mise
     mise activate fish | source
@@ -70,3 +72,7 @@ end
 
 # Added by Antigravity CLI installer
 set -gx PATH "/Users/r.kallinich/.local/bin" $PATH
+
+
+# Added by Antigravity CLI installer
+set -gx PATH "/home/baerspektivo/.local/bin" $PATH